17.5 Inch Manual Trans Radiator for LS and LT Swaps in 1964-1967 Pontiac GTO
Whether your build is a classic Pontiac GTO manual transmission with a modern LS or LT motor this radiator addresses the cooling demands by matching the original factory core height for a clean fit. Featuring a 17.5 inch core height and precise hose port alignment the unit installs without altering brackets or shroud clearance. Constructed from aluminum it delivers rapid heat dissipation and resists corrosion under elevated engine temperatures. Built for 1964 through 1967 A-Body GTO models this radiator ensures proper coolant flow from day one.
Optimized Cooling for LS and LT Powertrains
With its high-quality aluminum construction and a 17.5 inch core height, this radiator is engineered to handle the thermal demands of modern LS and LT engines in a classic GTO. The enhanced heat transfer capability ensures stable coolant temperatures during spirited acceleration or heavy traffic, preventing heat soak that can rob power. By aligning with the engine's flow characteristics, it helps maintain consistent performance under load. The result is a dependable solution that matches contemporary power output without compromising the vintage drivetrain.
A Body Chassis Ready Directfit Installation
Matching the original core height and hose bosses, this radiator slides into the 1964 to 1967 GTO A Body frame without altering factory brackets or shroud clearance. The precise port alignment preserves the stock routing for coolant hoses and fan assembly, simplifying setup for both professional shops and enthusiasts. This true directfit design not only saves installation time but also maintains the structural integrity and aesthetics of your engine bay. It is a plug and play upgrade that feels like an original equipment replacement.
Protective Black Epoxy and Bare Aluminum Finishes
Available in classic bare aluminum or a durable black epoxy finish, this radiator lets you choose between a vintage metallic look or a modern underhood accent. The black epoxy coating adds a barrier against moisture, salt, and road debris without hindering thermal transfer. Both finishes showcase the precise machining of the core and end tanks while offering long term resistance to corrosion. This flexibility allows you to enhance your build's aesthetic while preserving peak cooling performance.
American Manufacturing for Trusted Reliability
Crafted in the USA from premium aluminum, this radiator benefits from stringent quality control and expert assembly processes. Local production ensures each unit meets tight dimensional tolerances, contributing to a reliable fit and consistent function across all builds. Finished radiators deliver robust corrosion resistance and mechanical strength, so you can count on enduring performance mile after mile. Investing in domestic manufacturing also supports the community and adds authentic value to your classic GTO project.
For the same radiator but with fans choose our 1964-1967 GTO Radiator 17.5" Tall (Manual Transmission) with Fans for a straightforward cooling upgrade.